Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:isotope
|
| gptkbp:abundanceInNature |
99.99986%
|
| gptkbp:atomicNumber |
2
|
| gptkbp:boson |
true
|
| gptkbp:discoveredBy |
gptkb:Ernest_Rutherford
|
| gptkbp:discoveredIn |
1907
|
| gptkbp:formsSuperfluidBelow |
2.17 K
|
| gptkbp:foundIn |
gptkb:Earth's_atmosphere
stars |
| gptkbp:isomerOf |
gptkb:helium
|
| gptkbp:massNumber |
4
|
| gptkbp:neutrons |
2
|
| gptkbp:nucleusName |
alpha particle
|
| gptkbp:producedBy |
gptkb:Big_Bang_nucleosynthesis
nuclear fusion in stars radioactive decay of heavy elements |
| gptkbp:protons |
2
|
| gptkbp:spin |
0
|
| gptkbp:stable |
true
|
| gptkbp:symbol |
gptkb:4He
|
| gptkbp:usedIn |
cryogenics
nuclear fusion superfluidity studies |
| gptkbp:bfsParent |
gptkb:Bose-Einstein_statistics
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
helium-4 atoms
|